3x-7a^2=-91

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Solution for 3x-7a^2=-91 equation:


Simplifying
3x + -7a2 = -91

Reorder the terms:
-7a2 + 3x = -91

Solving
-7a2 + 3x = -91

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-3x' to each side of the equation.
-7a2 + 3x + -3x = -91 + -3x

Combine like terms: 3x + -3x = 0
-7a2 + 0 = -91 + -3x
-7a2 = -91 + -3x

Divide each side by '-7'.
a2 = 13 + 0.4285714286x

Simplifying
a2 = 13 + 0.4285714286x

Reorder the terms:
-13 + a2 + -0.4285714286x = 13 + 0.4285714286x + -13 + -0.4285714286x

Reorder the terms:
-13 + a2 + -0.4285714286x = 13 + -13 + 0.4285714286x + -0.4285714286x

Combine like terms: 13 + -13 = 0
-13 + a2 + -0.4285714286x = 0 + 0.4285714286x + -0.4285714286x
-13 + a2 + -0.4285714286x = 0.4285714286x + -0.4285714286x

Combine like terms: 0.4285714286x + -0.4285714286x = 0.0000000000
-13 + a2 + -0.4285714286x = 0.0000000000

The solution to this equation could not be determined.

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